Home / 30,924.80-46,356.06-12,218.10

Finding the Fourth Proportional to 30,924.80, 46,356.06 and 12,218.10

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Solution

The fourth proportional to 30,924.80, 46,356.06 and 12,218.10 is: 18,314.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,924.80 : 46,356.06 = 12,218.10 : x
  2. Step 2: Convert to fraction form
    30,924.80/46,356.06 = 12,218.10/x
  3. Step 3: Cross multiply
    30,924.80x = 46,356.06 × 12,218.10
  4. Step 4: Simplify right side
    30,924.80x = 566,382,976.69
  5. Step 5: Solve for x
    x = 566,382,976.69/30,924.80
  6. Step 6: Final answer
    x = 18,314.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.